1. Contractors and Contractor Directions. Theory and Applications. Lecture Notes in Pure and Applied Mathematics;Altman,1977
2. An existence principle in nonlinear functional analysis;Altman;J. Nonlinear Analysis,1978
3. Iterative methods of contractor directions;Altman;J. Nonlinear Analysis,1980
4. Altman M., Quasi-linear equation of evolution, II (to appear).